Question about Sony VAIO GRT240G (PCGGRT240G) PC Notebook
My lcd screen comes on during power up for 2 seconds and then goes dark. I can see it with a flashlight. External monitor works great. How do I check the backlight, inverter, etc. to determine cause? How do I replace defective component?
You need do following steps:
1) to make sure there is messages showing on the dark LCD screen. even nothing backlighs.
2) to make sure the inverter is defective, change other parts (same model) to test it,reference: http://www.fonerbooks.com/laptop_8.htm
3) if still dark with new inverter, you have to change CCFL lamp at back of LCD panel. reference from:
4) also you could change a LCD panel if the CCFL lamp damage which you can not do fix.
hope help you fix it. any question please ask me.
Posted on May 18, 2009
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Posted on Jan 02, 2017
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